York S1-VLV-0025 Expansion Valve 318518-761 Enhanced Safety: Properly gauged internal

Enhanced Safety: Properly gauged internal wiring prevents overheating and potential damage to the primary control board circuitry

ensuring a clear sightline into the internal water line

This gauge is calibrated to the ANSI Grade B (3-2-3%) standard

920 scim with a 15 psi supply and 1 psi drop

the 1F72-151 is a direct replacement for many legacy models

York S1-VLV-0025 Expansion Valve 318518-761 Enhanced Safety: Properly gauged internalThe York S1 VLV 0025 Expansion Valve is a high performance Alco thermostatic expansion valve designed for precise refrigerant metering in residential and commercial split systems. Built with 3 8 x 1 2 ODF connections, this TXV valve replacement ensures optimal evaporator superheat control, preventing liquid slugging and maximizing compressor longevity. The thermal expansion valve features a robust balanced port design that maintains pressure stability